I bought the Front Housing Assembly - X1 Series and connecting LOGO LED Cable. I simply tapped into the hotend fan 5v positive and negative. Refer to the pictures for wire color and +/- identification. This requires soldering and skill. I thought someone might benefit from the info.

The Fan wiring:

Black -

Dark Gray +

The last two pictures are shown with the following color insert (I used Hatchbox PETG bronze). The led light is way too bright, so this is definitely a needed final touch.

Bambu Labs Hotend LED Colored Insert (Remix) ["Glass" profile for Bambu Studio included] (Dual color available) by Roland Deschain | Download free STL model | Printables.com